{"product_id":"ssi-chev-duramax01up-vspr-16-1","title":"Street Sport Industries High Performance Valve Springs For GM GMC Hummer Truck 2001?2019 6.6L V8 32V Duramax LB7 LLY LBZ ? Chrome Silicon Alloy Valve Springs ? OEM 52-4041, 97225124, 98025825 ?162pcs","description":"\u003cul\u003e\n\u003cli\u003eBUILT FOR ENDURING POWER AND PERFORMANCE: Designed for 6.6L Duramax engines, these high-performance valve springs deliver stable valve control under boost, load, and extended RPM ? giving you the confidence to push harder while keeping your engine smooth and protected.\u003c\/li\u003e\n\u003cli\u003eFORGED FROM ADVANCED ALLOY MATERIALS: Constructed from premium Chrome Silicon or Alpha1\/3 alloy, each spring resists heat, stress, and distortion ? ensuring consistent tension and precision performance for both intake and exhaust valves.\u003c\/li\u003e\n\u003cli\u003ePRECISION SHOT PEENED AND HEAT TREATED: Each spring is meticulously shot-peened and heat-treated to relieve stress, improve fatigue life, and maintain pressure consistency even under extreme diesel operating conditions.\u003c\/li\u003e\n\u003cli\u003eOEM REPLACEMENT CONFIDENCE: Direct interchange for part numbers 52-4041, 53-404-100, 97225124, 98025825, and 8972129940, ensuring perfect fitment for 2001?2019 GM, GMC, and Hummer 6.6L Duramax engines (LB7, LLY, LBZ).\u003c\/li\u003e\n\u003cli\u003eCOMPLETE 16-VALVE SET FOR TOTAL BALANCE: Includes sixteen (16) valve springs sized at 1.23? OD x 0.89? ID, providing equal tension across all valves for optimized airflow, combustion, and overall engine harmony.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eValve Springs from Street Sport Industries are precision-engineered for 2001?2019 GM, GMC, and Hummer trucks equipped with the 6.6L V8 32-Valve Duramax LB7, LLY, and LBZ engines. Designed as a direct replacement for part numbers 52-4041, 53-404-100, 97225124, 98025825, and 8972129940, this set of high-performance valve springs ensures balanced valve control and improved reliability under high load, boost, and RPM conditions. Each spring is crafted from premium Chrome Silicon or Alpha1\/3 alloy, shot-peened, and heat-treated to deliver exceptional strength, fatigue resistance, and stable pressure through continuous operation. Suitable for both intake and exhaust valves, these springs maintain factory geometry while providing a refined performance upgrade for towing, racing, or daily use. With Street Sport Industries, you can count on precision-built components that honor your truck?s power, protect its performance, and keep it running strong for years to come.\u003c\/p\u003e","brand":"Street Sport Industries","offers":[{"title":"Default Title","offer_id":67592244330589,"sku":"SSI-CHEV\/DURAMAX01UP-VSPR(16)1","price":352.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/8154\/6845\/files\/61awDMRgE1L_486b57ee-475b-4f46-a552-0ffcfda8458b.jpg?v=1790791490","url":"https:\/\/mryellowcap.com\/products\/ssi-chev-duramax01up-vspr-16-1","provider":"Ketron Brands","version":"1.0","type":"link"}